VI_ATTR_MEM_SPACE

NI-VISA 15.0 Help

Edition Date: June 2015

Part Number: 370131S-01

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Resource Classes

VXI INSTR

Attribute Information

Access Privilege Data Type Range Default

Read Only
Global

ViUInt16

VI_A16_SPACE (1)
VI_A24_SPACE (2)
VI_A32_SPACE (3)

VI_A16_SPACE

Description

VI_ATTR_MEM_SPACE specifies the VXIbus address space used by the device. The three types are A16, A24, or A32 memory address space.

A VXI device with memory in A24 or A32 space also has registers accessible in the configuration section of A16 space. A VME device with memory in multiple address spaces requires one VISA resource for each address space used.


Related Topics

INSTR Resource

VI_ATTR_MEM_BASE/VI_ATTR_MEM_BASE_32/VI_ATTR_MEM_BASE_64

VI_ATTR_MEM_SIZE/VI_ATTR_MEM_SIZE_32/VI_ATTR_MEM_SIZE_64

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